CN209992099U

CN209992099U - Air pump pressure gauge

Info

Publication number: CN209992099U
Application number: CN201920973157.0U
Authority: CN
Inventors: 徐玲亚
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-01-24
Anticipated expiration: 2029-06-26

Abstract

The utility model relates to an air pump pressure gauge, which comprises a shell and a transparent dial plate, wherein a lower fixed support is screwed in the shell, an upper fixed support is arranged on the lower fixed support, a diaphragm is arranged at the bottom in the shell, a support frame is arranged above the diaphragm, a spring is arranged in the middle of the support frame, an ejector rod is arranged at the upper end of the outer edge of the support frame, a driving device is arranged between the lower fixed support and the upper fixed support, a dial is arranged at the upper end of the upper fixed support, a pointer is arranged on the dial, and the driving device comprises a driving frame; the utility model discloses rational in infrastructure, easy operation, during the use, when the gaseous extrusion film piece in the air pump, the spring compression, the ejector pin drive carriage on the support frame, the carriage drives main gear piece control pinion and pointer and rotates, has the spring to locate between support frame and the lower fixed bolster, so can effectively combat earthquake, and the carriage is side drive main gear piece, and control pinion and pointer rotate, can improve manometer performance and life like this to guarantee measurement accuracy.

Description

Air pump pressure gauge

Technical Field

The utility model relates to a manometer technical field especially relates to an air pump manometer.

Background

At present, a pressure gauge is an instrument which takes an elastic element as a sensitive element and measures and indicates pressure higher than ambient pressure, is very commonly applied, almost extends to all the fields of industrial processes and scientific researches, and is widely visible in the fields of heat pipe networks, oil and gas transmission, water and gas supply systems, vehicle maintenance and repair shops and the like. In the industrial process control and technical measurement process, the elastic sensitive element of the mechanical pressure gauge has the characteristics of high mechanical strength, convenient production and the like, so that the mechanical pressure gauge is more and more widely applied. In the prior art, the mechanical pressure gauge adopts a lever and pure gear transmission, so that the pointer is easy to shake when the pressure rises or falls or the whole use environment vibrates, the performance and the service life of the mechanical pressure gauge are influenced, and the measurement precision is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air pump manometer, it has rational in infrastructure, easy operation, can effectively combat earthquake during the use, improves manometer performance and life to guarantee measurement accuracy's purpose.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

an air pump pressure gauge comprises a shell connected with an air pump, a transparent dial is arranged on the shell in a matching way, a lower fixing bracket is screwed in the shell, an upper fixing bracket is arranged on the lower fixing bracket in a matching way, a diaphragm is arranged at the bottom in the shell, a support frame is arranged above the diaphragm in a matching way, a spring is arranged in the middle of the support frame, the upper end of the outer edge of the supporting frame is provided with a mandril, a driving device is arranged between the lower fixing bracket and the upper fixing bracket, the upper end of the upper fixed bracket is provided with a dial, the dial is provided with a pointer which is matched and connected with the output end of the driving device, the driving device comprises a driving frame hinged between the lower fixing support and the upper fixing support, the output end above the driving frame is connected with a main gear piece in a matching way, the output end of the main gear piece is engaged with an auxiliary gear in a matching mode, the upper end of the auxiliary gear is sleeved with the pointer, and the main gear piece and the auxiliary gear are both arranged on the lower fixing support.

Further preferably, a through hole convenient for the driving frame to act is formed in the lower fixing support, a lower support column and a lower support plate connected with the driving frame are arranged at the outer edge of the lower fixing support, a lower semicircular groove convenient for one end of the driving frame to articulate is formed in the upper end of the lower support plate, a cushion block is arranged in the middle of the lower fixing support, a hinge hole convenient for the other end of the driving frame to articulate is formed in one side of the cushion block, and the upper end of the cushion block is connected with the pinion.

Further preferably, the outer fringe of going up the fixed bolster be equipped with the support column corresponds the last backup pad that sets up and correspond the setting with the bottom suspension fagging, it is equipped with the semicircular sleeve with bottom suspension fagging upper end cladding to go up the support column lower extreme, go up the backup pad lower extreme seted up with the semicircular groove cooperation is convenient for drive rack one end articulated first semicircular groove down, upward seted up on the backup pad main gear piece one end is passed and wobbling logical groove.

Further preferably, the driving frame comprises a downward inclined reverse buckle matched with an inclined groove in the upper end of the ejector rod, one end of the upper end of the inclined groove is connected between the lower semicircular groove and the lower semicircular groove, the other end of the upper end of the inclined groove is connected with an articulated shaft in the through groove, a driving guide rod for driving the main gear piece to swing is arranged on the articulated shaft, a long circular hole is formed in the middle of the main gear piece, the guide rod penetrates into the long circular hole, and the guide rod, the articulated shaft and the inclined groove are integrally formed.

Preferably, the diaphragm is provided with a mounting hole in the middle, the support frame comprises a support ring, the ejector rod is arranged at the outer end of the support ring, the lower end of the support ring is provided with a sleeve, the sleeve is sleeved in the mounting hole in a matching manner, a support block convenient for the spring to be arranged is arranged in the sleeve, and a fixing cover is arranged between the diaphragm and the shell.

The utility model discloses beneficial effect: the utility model comprises a shell connected with an air pump, a transparent dial is arranged on the shell in a matching way, a lower fixed bracket is screwed in the shell, the lower fixing bracket is provided with an upper fixing bracket in a matching way, the bottom in the shell is provided with a diaphragm, a supporting frame is arranged above the diaphragm in a matching way, a spring is arranged in the middle of the supporting frame, a mandril is arranged at the upper end of the outer edge of the supporting frame, a driving device is arranged between the lower fixing support and the upper fixing support, the upper end of the upper fixed bracket is provided with a dial, the dial is provided with a pointer which is matched and connected with the output end of the driving device, the driving device comprises a driving frame hinged between the lower fixing support and the upper fixing support, the output end above the driving frame is connected with a main gear piece in a matching way, the output end of the main gear piece is engaged with an auxiliary gear in a matching manner, the pointer is sleeved at the upper end of the auxiliary gear, and the main gear piece and the auxiliary gear are both arranged on the lower fixed support; the utility model discloses rational in infrastructure, easy operation, during the use, when the gaseous extrusion film piece in the air pump, the spring compression, the ejector pin drive carriage on the support frame, the carriage drives main gear piece control pinion and pointer and rotates, has the spring to locate between support frame and the lower fixed bolster, so can effectively combat earthquake, and the carriage is side drive main gear piece, and control pinion and pointer rotate, can improve manometer performance and life like this to guarantee measurement accuracy.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the middle driving device of the present invention.

Reference numerals

1-shell 2-transparent dial 3-lower fixed support

4-upper fixed support 5-diaphragm 6-support frame

7-spring 8-top rod 9-dial

10-pointer 11-main gear piece 12-auxiliary gear

13-through hole 14-lower support column 15-lower support plate

16-lower semi-circular groove 17-cushion block 18-upper supporting column

19-lower supporting plate 20-upper semicircular groove 21-through groove

22-inclined groove 23-articulated shaft 24-guide rod

25-oblong hole 26-supporting block 27-fixing cover.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in fig. 1 and 2, an air pump pressure gauge comprises a shell 1 connected with an air pump, a transparent dial 2 is arranged on the shell 1 in a matching manner, a lower fixing support 3 is screwed in the shell 1, an upper fixing support 4 is arranged on the lower fixing support 3 in a matching manner, a diaphragm 5 is arranged at the bottom in the shell 1, a support frame 6 is arranged above the diaphragm 5 in a matching manner, a spring 7 is arranged in the middle of the support frame 6, an ejector rod 8 is arranged at the upper end of the outer edge of the support frame 6, a driving device is arranged between the lower fixing support 3 and the upper fixing support 4, a dial 9 is arranged at the upper end of the upper fixing support 4, a pointer 10 connected with the output end of the driving device in a matching manner is arranged on the dial 9, the driving device comprises a driving frame hinged between the lower fixing support 3 and the upper fixing support 4, a main gear piece 11 is connected with the output end of the driving frame, the pointer 10 is sleeved at the upper end of the auxiliary gear 12, and the main gear piece 11 and the auxiliary gear 12 are both arranged on the lower fixed bracket 3; the utility model has the advantages of reasonable structure, the operation is simple, in use, when the gaseous extrusion diaphragm 5 in the air pump, spring 7 compression, the 8 drive-driveracks of ejector pin on the support frame 6, the drive-driverack drives the rotation of main gear piece 11 control pinion 12 and pointer 10, there is spring 7 to locate between support frame 6 and the lower fixed bolster 3, so can effectively combat earthquake, and the drive-rack is side drive main gear piece 11, control pinion 12 and pointer 10 rotate, can improve manometer performance and life like this to guarantee measurement accuracy.

In this embodiment, set up on lower fixed bolster 3 and be convenient for the through-hole 13 of drive yoke action, the outer fringe of lower fixed bolster 3 be equipped with down support column 14 and with bottom suspension fagging 15 that the drive yoke is connected, set up convenient to on the bottom suspension fagging 15 the articulated lower half slot 16 of drive yoke one end, the middle part of lower fixed bolster 3 is equipped with cushion 17, the articulated hinge hole of the other end of the drive yoke of being convenient for is seted up to one side of cushion 17, the upper end of cushion 17 is connected with pinion 12, the outer wall of lower fixed bolster 3 be equipped with the external screw thread cover of shell 1 inner wall spiro union, the top of external screw thread cover is seted up through-hole 13.

In this embodiment, the outer fringe of going up fixed bolster 4 be equipped with the support column correspond the last backup pad 19 that sets up with the corresponding last support column 18 that sets up of bottom suspension dagger 15, it is equipped with the semicircular sleeve with 14 upper end cladding of bottom suspension dagger to go up the 18 lower extreme of support column, go up 19 lower extremes of backup pad seted up with the 16 cooperation of lower half slot is convenient for drive frame one end articulated first half slot 20, upward seted up on the backup pad 19 seted up 11 one end of primary gear piece is passed and wobbling logical groove 21, primary gear piece 11 passes through the connecting axle with logical groove 21, and the 11 connecting axle of primary gear piece of being convenient for swings for as the center, and the arc tooth and the pinion 12 meshing of the 11 other ends of primary gear piece of being convenient for like this to drive pointer 10 rotates.

In this embodiment, the actuating rack is in including the back-off of cooperation downward sloping the inclined groove 22 of ejector pin 8 upper end, and inclined groove 22 upper end is equipped with one end and connects articulated shaft 23 in logical groove 21 between lower semicircular groove 16 and lower semicircular groove 16 the other end, be equipped with the drive on the articulated shaft 23 main gear piece 11 wobbling guide arm 24, slotted hole 25 has been seted up at main gear piece 11 middle part, guide arm 24 penetrates in this slotted hole 25, guide arm 24, articulated shaft 23, inclined groove 22 integrated into one piece, the cross-section of inclined groove 22 is semi-circular, the top of ejector pin 8 is the spheroid.

In this embodiment, a mounting hole is formed in the middle of the diaphragm 5, the support frame 6 includes a support ring, the ejector rod 8 is arranged at the outer end of the support ring, a sleeve is arranged at the lower end of the support ring, the sleeve is fittingly sleeved in the mounting hole, a support block 26 convenient for the spring 7 to be arranged is arranged in the sleeve, a fixing cover 27 is arranged between the diaphragm 5 and the housing 1, the spring 7 is arranged between the sleeve and the lower fixing support 3, and the fixing cover 27 is convenient for the diaphragm 5 to be stably mounted in the housing 1.

The utility model discloses a theory of operation is: when the air in the air pump presses the membrane 5, the spring 7 is compressed, the push rod 8 on the support frame 6 drives the inclined groove 22 to move, meanwhile, the guide rod 24 drives the main gear piece 11 to swing around the connecting shaft in the long circular hole 25 of the main gear piece 11, and the arc-shaped teeth of the main gear piece 11 control the rotation of the secondary gear 12 and the pointer 10.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. The utility model provides an air pump manometer, includes the shell of being connected with the air pump, and the cooperation is equipped with transparent dial plate, its characterized in that on the shell: the utility model discloses a pointer, including shell, fixed bolster, drive frame, auxiliary gear piece, pointer cover, fixed bolster, lower fixed bolster, drive frame, auxiliary gear piece, the cooperation of shell internal thread has lower fixed bolster, the cooperation is equipped with the fixed bolster on the lower fixed bolster, the bottom is equipped with the diaphragm in the shell, and the cooperation of diaphragm top is equipped with the support frame, be equipped with the spring in the middle of the support frame, support frame outer fringe upper end is equipped with the ejector pin, be equipped with drive arrangement between lower fixed bolster and the last fixed bolster, it is equipped with drive arrangement to go up the fixed bolster upper end, the pointer that is equipped with on the dial and is connected with drive arrangement's output cooperation, drive arrangement is including articulating the drive frame between lower fixed bolster and last fixed bolster, the cooperation of drive frame top.

2. The air pump pressure gauge according to claim 1, wherein: the through-hole convenient for the action of the driving frame is formed in the lower fixing support, a lower supporting column and a lower supporting plate connected with the driving frame are arranged at the outer edge of the lower fixing support, a lower semicircular groove convenient for the hinging of one end of the driving frame is formed in the upper end of the lower supporting plate, a cushion block is arranged in the middle of the lower fixing support, a hinging hole convenient for the hinging of the other end of the driving frame is formed in one side of the cushion block, and the upper end of the cushion block is connected with the pinion.

3. The air pump pressure gauge according to claim 2, wherein: go up the outer fringe of fixed bolster be equipped with the support column corresponds the last backup pad that sets up and correspond the setting with the bottom suspension fagging, it is equipped with the semicircular sleeve with bottom suspension fagging upper end cladding to go up the support column lower extreme, go up the backup pad lower extreme seted up with the semicircular groove is convenient for drive rack one end articulated first semicircular groove down in the cooperation of semicircular groove, upward seted up on the backup pad main gear piece one end is passed and wobbling logical groove.

4. An air pump pressure gauge according to claim 3, wherein: the drive rack is in including the back-off of cooperation downward sloping the tip groove of ejector pin upper end, the tip groove upper end is equipped with one end and connects the articulated shaft that the other end was connected in logical inslot between lower half slot and the lower half slot, be equipped with the drive on the articulated shaft master gear piece wobbling guide arm, the slotted hole has been seted up at master gear piece middle part, the guide arm penetrates in this slotted hole, guide arm, articulated shaft, tip groove integrated into one piece.

5. The air pump pressure gauge according to claim 1, wherein: the spring support is characterized in that a mounting hole is formed in the middle of the diaphragm, the support frame comprises a support ring, the ejector rod is arranged at the outer end of the support ring, a sleeve is arranged at the lower end of the support ring, the sleeve is sleeved in the mounting hole in a matching mode, a supporting block convenient for the spring to be arranged is arranged in the sleeve, and a fixing cover is arranged between the diaphragm and the shell.